diff --git a/Gemfile.lock b/Gemfile.lock
index 93d6009..a4856a8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
     coffee-script-source (1.12.2)
     colorator (1.1.0)
     commonmarker (0.23.10)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.3)
     connection_pool (2.4.1)
     dnsruby (1.70.0)
       simpleidn (~> 0.2.1)
@@ -35,11 +35,13 @@ GEM
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     execjs (2.9.1)
-    faraday (2.9.0)
+    faraday (2.9.1)
       faraday-net_http (>= 2.0, < 3.2)
     faraday-net_http (3.1.0)
       net-http
-    ffi (1.16.3)
+    ffi (1.17.0)
+    ffi (1.17.0-x86_64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
     github-pages (231)
@@ -223,7 +225,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minimal-mistakes-jekyll (4.26.1)
+    minimal-mistakes-jekyll (4.26.2)
       jekyll (>= 3.7, < 5.0)
       jekyll-feed (~> 0.1)
       jekyll-gist (~> 1.5)
@@ -246,13 +248,13 @@ GEM
       sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.5)
+    public_suffix (5.1.0)
     racc (1.8.0)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.0)
+      strscan
     rouge (3.30.0)
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)